Improvement in eyeglasses



J. P. TRAUB. Eye-Glass.

No. 204,266. Patented May 28,1878.

UNITED STATES PATENT OFFICE.

JACOB F. TRAUB, OF DETROIT, MICHIGAN.

IMPROVEMENT IN EYEGLASSES.

Specification forming part of Letters Patent No. 204,266, dated May 28, 1878 application filed April 3,1878.

To all whom it may concern: the frame A, passes downward, slightly curv- Be it known that I, JACOB F. TRAUB, of in g outwardly, then bends inwardly and up- Detroit, in the county of Wayne and State of wardly to a point nearly opposite the stud; Michigan, have invented an Improvement in thence it curves outwardly and passes through Nose or Eye Glasses, of which the following is the loop attached to the stud; thence it curves a specification: in the opposite direction, as shown, to form The nature of my invention relates to new the bridge; thence it curves inwardly again, and useful construction of springs for nose or passing through the loop attached to the stud eye glasses, by means of which a greater flexion the frame A; thence the curvature is downbility is obtained, and more ease to the wearer Ward and outward to a return bend; and is had than by the employment of the springs thence upwardly to the last-mentioned stud,

as ordinarily constructed. where it is secured in the manner already de- The invention consists in the peculiar conscribed. struction of the spring and the method of at- T0 the contact-faces of the spring are setaching and securing the same to the bows or cured the roughened. plates 1, although these glass-frames, as more fully hereinafter delatter may be dispensed with by roughening scribed. the corresponding faces of the spring.

Figure 1 is a plan. view of a pair of glass- A spring thus constructed is a continuous frames with my improved spring. Fig. 2 is a one, secured rigidly to the bows only at the perspective view of the same, showing the ends, and, by passing through loops, as de loops upon the studs and the spring passing scribed, the spring is not only retained 1n through said loops. Fig. 3 is an enlarged secplace, but is more flexible than if secured rigtional and detached view of one of the studs, idly to more than one point on each bow. and showing how the springs and loops are I am aware that studs and set-screws have secured in place. been used for securing the springs to eyeglass- Like letters indicate like parts in each figframes; but I am not aware that the faces of are. said studs have been recessed, as and for the In the drawings, A A represent a pair of purposes 1 have described.

bows or glass-frames, one of which is provided What I claim as my invention, and desire with a handle, a, and stud b, and the other to secure by Letters Patent, is-

with the hook c, by means of which the two In spectacles or eyeglasses, the combinabows are locked together when closed, andin tion, with the recessed studs d, attached to the the usual manner. To each of these frames is frames A A, of the slotted plates 6 secured in secured a stud, d, and the outer faces of these the recesses in said studs by screws, and the studs are recessed to receive the metallic loop spring h passing through the slots in the c, with which each stud is provided. The plates 0, and fastened at its ends in the said ends of the spring h are also placed. in the rerecesses, constructed and arranged substancesses, and a set-screw, k, passing throhgh each tially as described and shown.

end of the spring and through each of the loops ends, secures them in place in the re- JACOB TRAUB' cesses, the flanges of which prevent the spring Witnesses: or loopsfrom turning. The end of the spring, H. S. SPRAGUE,

being thus secured to the stud attached to PETER, E. DE MILL, Jr. 

